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Cheap flights from Louisville to Sydney from $943

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:35 pm - 7:00 amSDF-SYD
24h 25m1 stop
United Airlines Logo
11:50 am - 7:54 pmSYD-SDF
24h 04m1 stop
$1,252United Airlines
Find Deal
dim., oct. 26 - dim., nov. 9
United Airlines Logo
3:35 pm - 7:00 amSDF-SYD
24h 25m1 stop
United Airlines Logo
11:50 am - 1:25 pmSYD-SDF
41h 35m1 stop
$1,256United Airlines
Find Deal
dim., oct. 26 - dim., nov. 9
United Airlines Logo
3:50 pm - 7:00 amSDF-SYD
25h 10m2 stops
United Airlines Logo
10:20 am - 7:35 pmSYD-SDF
23h 15m2 stops
$1,267United Airlines
Find Deal
mer., avr. 8 - mer., mai 27
Delta Logo
2:22 pm - 8:30 amSDF-SYD
26h 08m2 stops
Delta Logo
10:40 am - 5:16 pmSYD-SDF
22h 36m2 stops
$1,489Delta
Find Deal
mar., nov. 25 - mar., déc. 2
Qantas Airways Logo
2:35 pm - 6:55 amSDF-SYD
26h 20m1 stop
Qantas Airways Logo
12:10 pm - 5:34 pmSYD-SDF
19h 24m1 stop
$2,021Qantas Airways
Find Deal
mer., avr. 8 - mer., mai 27
Multiple Airlines Logo
11:00 am - 9:35 amSDF-SYD
30h 35m3 stops
Multiple Airlines Logo
11:20 am - 10:29 pmSYD-SDF
27h 09m2 stops
$2,028Multiple Airlines
Find Deal
mar., nov. 25 - mar., déc. 2
Multiple Airlines Logo
11:00 am - 9:35 amSDF-SYD
30h 35m3 stops
Multiple Airlines Logo
11:20 am - 8:49 pmSYD-SDF
25h 29m2 stops
$2,113Multiple Airlines
Find Deal
mer., nov. 26 - mer., déc. 3
Qantas Airways Logo
2:14 pm - 6:55 amSDF-SYD
24h 41m1 stop
Qantas Airways Logo
2:05 pm - 5:33 pmSYD-SDF
19h 28m1 stop
$2,271Qantas Airways
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mer., janv. 14 - mer., janv. 21
Air Canada Logo
11:00 am - 7:20 amSDF-SYD
30h 20m3 stops
Air Canada Logo
9:20 am - 9:45 amSYD-SDF
38h 25m2 stops
$2,284Air Canada
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mer., avr. 8 - mer., mai 27
Air Canada Logo
2:02 pm - 8:35 amSDF-SYD
27h 33m2 stops
Air Canada Logo
11:20 am - 5:16 pmSYD-SDF
45h 56m3 stops
$2,561Air Canada
Find Deal
dim., oct. 26 - dim., nov. 9

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets
United Airlines
Oct 26
SDF3:35 pmLouisville Intl
24h 25m
1 stop
SYD7:00 amSydney Kingsford Smith
Nov 9
SYD11:50 amSydney Kingsford Smith
24h 04m
1 stop
SDF7:54 pmLouisville Intl
$1,252
Find similar
United Airlines
Oct 26
SDF3:35 pmLouisville Intl
24h 25m
1 stop
SYD7:00 amSydney Kingsford Smith
Nov 9
SYD11:50 amSydney Kingsford Smith
41h 35m
1 stop
SDF1:25 pmLouisville Intl
$1,256
Find similar
United Airlines
Apr 8
SDF3:50 pmLouisville Intl
25h 10m
2 stops
SYD7:00 amSydney Kingsford Smith
May 27
SYD10:20 amSydney Kingsford Smith
23h 15m
2 stops
SDF7:35 pmLouisville Intl
$1,267
Find similar

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets
Qantas Airways
Apr 8
SDF2:35 pmLouisville Intl
26h 20m
1 stop
SYD6:55 amSydney Kingsford Smith
May 27
SYD12:10 pmSydney Kingsford Smith
19h 24m
1 stop
SDF5:34 pmLouisville Intl
$2,021
Find similar
Qantas Airways
Jan 14
SDF2:14 pmLouisville Intl
24h 41m
1 stop
SYD6:55 amSydney Kingsford Smith
Jan 21
SYD2:05 pmSydney Kingsford Smith
19h 28m
1 stop
SDF5:33 pmLouisville Intl
$2,271
Find similar
Qantas Airways
Nov 26
SDF1:42 pmLouisville Intl
25h 13m
1 stop
SYD6:55 amSydney Kingsford Smith
Dec 3
SYD2:05 pmSydney Kingsford Smith
19h 33m
1 stop
SDF5:38 pmLouisville Intl
$2,496
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octobre 13, 2025.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

dim. 10/26

3:35 pm-7:00 am

1 stop24h 25m

Sydney Kingsford Smith

dim. 11/9

11:50 am-7:54 pm

1 stop24h 04m

$1,252

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

dim. 10/26

3:35 pm-7:00 am

1 stop24h 25m

Sydney Kingsford Smith

dim. 11/9

11:50 am-1:25 pm

1 stop41h 35m

$1,256

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mer. 4/8

3:50 pm-7:00 am

2 stops25h 10m

Sydney Kingsford Smith

mer. 5/27

10:20 am-7:35 pm

2 stops23h 15m

$1,267

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 11/25

2:22 pm-8:30 am

2 stops26h 08m

Sydney Kingsford Smith

mar. 12/2

10:40 am-5:16 pm

2 stops22h 36m

$1,489

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mer. 4/8

2:35 pm-6:55 am

1 stop26h 20m

Sydney Kingsford Smith

mer. 5/27

12:10 pm-5:34 pm

1 stop19h 24m

$2,021

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 11/25

11:00 am-9:35 am

3 stops30h 35m

Sydney Kingsford Smith

mar. 12/2

11:20 am-10:29 pm

2 stops27h 09m

$2,028

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mer. 11/26

11:00 am-9:35 am

3 stops30h 35m

Sydney Kingsford Smith

mer. 12/3

11:20 am-8:49 pm

2 stops25h 29m

$2,113

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mer. 1/14

2:14 pm-6:55 am

1 stop24h 41m

Sydney Kingsford Smith

mer. 1/21

2:05 pm-5:33 pm

1 stop19h 28m

$2,271

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mer. 4/8

11:00 am-7:20 am

3 stops30h 20m

Sydney Kingsford Smith

mer. 5/27

9:20 am-9:45 am

2 stops38h 25m

$2,284

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

dim. 10/26

2:02 pm-8:35 am

2 stops27h 33m

Sydney Kingsford Smith

dim. 11/9

11:20 am-5:16 pm

3 stops45h 56m

$2,561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and Sydney?

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,110. If you are unable to visit Sydney during the month of April, then departing from Louisville during the month November is also very affordable. Most momondo users find prices during this month for around $1,142.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Louisville to Sydney is on a Wednesday when prices can be found for as low as $1,260. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,104.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Louisville to Sydney at noon for as low as $1,343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,798. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Direct flights

None
There are no direct flights from Louisville to Sydney. There are no popular flight routes from Louisville to Sydney.
Search flight deals

  • How far is Louisville Intl to Sydney Kingsford Smith by plane?

    A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 20h 25m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to Sydney?

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $930Free CancellationRating
7.4
8,970 reviews
Search United Airlines flights
DeltaPriceFrom $979Free CancellationRating
7.9
7,971 reviews
Search Delta flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Manly
Penrith
Leura
Lithgow
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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